IP Telephony and Phones

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Hi again all. Im trying to help a customer out that has a UC520. They complain that the volume on the phones is low when trying to conference someone in. I have walked them through turning their volume up when offhook, but they say its still not l...

jjoseph01 by Level 3
  • 652 Views
  • 10 replies
  • 0 Helpful votes

You guessed it. The time on the phones is wrong!Im set for NTP reference to hit my Domain Controller, which was patched and has the proper time on it. However the phones rae still an hour behind.I have reset the date/time group 3 times now with no lu...

admin_2 by Level 3
  • 948 Views
  • 20 replies
  • 0 Helpful votes

I'm trying to upgrade the IOS on cisco 2821 box. The current doesn't recognize my T1 card. Do i need to get Technical support services agreement in order to do that? I couldn't download the software

I am running CCM 4.0.2(a)sr2b. I have two extension that have music on hold yet all the settings for music on hold in thier phone configuration in CCM is set to none. I have reset the phone, change the settings on music on hold and changed it back ye...